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drm/amdgpu: consolidate atom scratch reg handling for hangs 

Move from asic specific code to common atom code.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2016-10-21 15:45:22 -04:00
parent a76ed485c5
commit 72a57438d1
4 changed files with 20 additions and 28 deletions
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13
drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c
View File

@ -1784,6 +1784,19 @@ void amdgpu_atombios_scratch_regs_restore(struct amdgpu_device *adev)
WREG32(mmBIOS_SCRATCH_0 + i, adev->bios_scratch[i]);
}
void amdgpu_atombios_scratch_regs_engine_hung(struct amdgpu_device *adev,
bool hung)
{
u32 tmp = RREG32(mmBIOS_SCRATCH_3);
if (hung)
tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
else
tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
WREG32(mmBIOS_SCRATCH_3, tmp);
}
/* Atom needs data in little endian format
* so swap as appropriate when copying data to
* or from atom. Note that atom operates on

2
drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h
View File

@ -206,6 +206,8 @@ void amdgpu_atombios_scratch_regs_lock(struct amdgpu_device *adev, bool lock);
void amdgpu_atombios_scratch_regs_init(struct amdgpu_device *adev);
void amdgpu_atombios_scratch_regs_save(struct amdgpu_device *adev);
void amdgpu_atombios_scratch_regs_restore(struct amdgpu_device *adev);
void amdgpu_atombios_scratch_regs_engine_hung(struct amdgpu_device *adev,
bool hung);
void amdgpu_atombios_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le);
int amdgpu_atombios_get_max_vddc(struct amdgpu_device *adev, u8 voltage_type,

17
drivers/gpu/drm/amd/amdgpu/cik.c
View File

@ -1189,18 +1189,6 @@ static int cik_gpu_pci_config_reset(struct amdgpu_device *adev)
return r;
}
static void cik_set_bios_scratch_engine_hung(struct amdgpu_device *adev, bool hung)
{
u32 tmp = RREG32(mmBIOS_SCRATCH_3);
if (hung)
tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
else
tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
WREG32(mmBIOS_SCRATCH_3, tmp);
}
/**
* cik_asic_reset - soft reset GPU
*
@ -1213,11 +1201,12 @@ static void cik_set_bios_scratch_engine_hung(struct amdgpu_device *adev, bool hu
static int cik_asic_reset(struct amdgpu_device *adev)
{
int r;
cik_set_bios_scratch_engine_hung(adev, true);
amdgpu_atombios_scratch_regs_engine_hung(adev, true);
r = cik_gpu_pci_config_reset(adev);
cik_set_bios_scratch_engine_hung(adev, false);
amdgpu_atombios_scratch_regs_engine_hung(adev, false);
return r;
}

16
drivers/gpu/drm/amd/amdgpu/vi.c
View File

@ -729,18 +729,6 @@ static int vi_gpu_pci_config_reset(struct amdgpu_device *adev)
return -EINVAL;
}
static void vi_set_bios_scratch_engine_hung(struct amdgpu_device *adev, bool hung)
{
u32 tmp = RREG32(mmBIOS_SCRATCH_3);
if (hung)
tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
else
tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
WREG32(mmBIOS_SCRATCH_3, tmp);
}
/**
* vi_asic_reset - soft reset GPU
*
@ -754,11 +742,11 @@ static int vi_asic_reset(struct amdgpu_device *adev)
{
int r;
vi_set_bios_scratch_engine_hung(adev, true);
amdgpu_atombios_scratch_regs_engine_hung(adev, true);
r = vi_gpu_pci_config_reset(adev);
vi_set_bios_scratch_engine_hung(adev, false);
amdgpu_atombios_scratch_regs_engine_hung(adev, false);
return r;
}